LTC4081(RevA) データシートの表示（PDF） - Linear Technology
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LTC4081 Datasheet PDF : 24 Pages
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LTC4081
ABSOLUTE MAXIMUM RATINGS (Note 1)
VCC, t < 1ms and Duty Cycle < 1%................ –0.3V to 7V
VCC Steady State........................................... –0.3V to 6V
BAT, CHRG.................................................... –0.3V to 6V
EN_CHRG, PROG, NTC.....................–0.3V to VCC + 0.3V
MODE, EN_BUCK............................ –0.3V to VBAT + 0.3V
FB................................................................. –0.3V to 2V
BAT Short-Circuit Duration............................ Continuous
BAT Pin Current................................................... 800mA
PROG Pin Current.....................................................2mA
Junction Temperature.............................................125°C
Operating Temperature Range (Note 2)....–40°C to 85°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
BAT 1
VCC 2
EN_CHRG 3
PROG 4
NTC 5
10 SW
9 EN_BUCK
11
8 MODE
7 FB
6 CHRG
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
TJMAX = 110°C, θJA = 43°C/W (NOTE 3)
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
LTC4081EDD#PBF
LTC4081EDD#TRPBF LDBX
10-Lead (3mm × 3mm) DFN
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
0°C to 70°C
ELECTRICAL CHARACTERISTICS The l denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C, VCC = 5V, VBAT = 3.8V, VEN_CHRG = 0V, VNTC = 0V, VEN_BUCK = VBAT, VMODE = 0V. (Note 2)
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VCC
Battery Charger Supply Voltage
(Note 4)
VBAT
Input Voltage for the Switching Regulator (Note 5)
l 3.75
5
5.5
V
l 2.7 3.8 4.5
V
ICC
Quiescent Supply Current (Charger On, VBAT = 4.5V (Forces IBAT and IPROG = 0), VEN_BUCK = 0 l
Switching Regulator Off)
110 300
µA
ICC_SD
IBAT_SD
Supply Current in Shutdown (Both Battery VEN_CHRG = 5V, VEN_BUCK = 0, VCC > VBAT
l
Charger and Switching Regulator Off)
VEN_CHRG = 4V, VEN_BUCK = 0, VCC (3.5V) < VBAT (4V)
Battery Current in Shutdown (Both Battery VEN_CHRG = 5V, VEN_BUCK = 0, VCC > VBAT
l
Charger and Switching Regulator Off)
VEN_CHRG = 4V, VEN_BUCK = 0, VCC (3.5V) < VBAT (4V)
5
10
µA
2
µA
0.6
5
µA
2
µA
4081fa
2
For more information www.linear.com/LTC4081
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